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Lenovo N20p Chromebook I/O Board Replacement

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here is a guide to help you locate the I/O Board for inspection, repairs, or replacement. The tools you will need are the Phillips #0 Screwdriver, Metal Spudger, and the Spudger.

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  1. Lenovo N20p Chromebook I/O Board Replacement, Keyboard: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo N20p Chromebook I/O Board Replacement, Keyboard: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Power down the Chromebook before starting any repair.

    • Remove the two 3.5 mm Phillips #0 screws using a screwdriver.

    • It is only necessary to remove these two screws to complete this step.

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  2. Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Use the hook of the metal spudger to carefully lift up the keyboard.

    • Lift the keyboard carefully. If you lift too quickly, it might break the two cables that connect the keyboard to the motherboard.

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  3. Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:03crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Carefully, disconnect the keyboard cable from the motherboard carefully by pulling on the blue tab of the cable.

    • You will now be able to replace the keyboard.

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  4. Lenovo N20p Chromebook I/O Board Replacement, Battery: crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Lenovo N20p Chromebook I/O Board Replacement, Battery: crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Lenovo N20p Chromebook I/O Board Replacement, Battery: crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove the two rubber feet of the back of the Chromebook using a metal spudger.

    • Remove six bottom 3.5 mm Phillips #0 screws and two top 5 mm Phillips #1 screws.

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  6. Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove all nine 3.5 mm Phillips #00 screws using a screwdriver.

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  7. Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Disconnect the battery cable from the motherboard.

    • Disconnect the touch-pad cable from the motherboard.

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  8. Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:07crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Use the metal spudger along the seam between the keyboard and the bottom of the Chromebook to lift up and remove the palm rest assembly.

    • It is normal for it to click loudly when it is released. Corner tags will be harder to release than other tags and will make a loud sound.

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  9. Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:08crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:08crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Disconnect the USB cable from the motherboard by pulling the blue tab out of the cable.

    • Remove all five 3.0 mm Phillips #00 screws which connect the battery and motherboard.

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  10. Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:09crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the battery.

    • It is helpful to lift and hold the battery as shown.

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  11. Lenovo N20p Chromebook I/O Board Replacement, I/O Board: crwdns2935265:010crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Once the battery has been removed, you need make sure that you have removed the I/O cable that is attached to the I/O Board.

    • Using the flat end of the Spudger tool, carefully lift the I/O Board.

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  12. Lenovo N20p Chromebook I/O Board Replacement: crwdns2935265:011crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • You will now be able to replace the I/O Board.

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To reassemble your device, follow these instructions in reverse order.

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Shihao Cao

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UWT-CARDINAL-SU18S1G2

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